Home / 434,743.80-652,115.70-268,625.40

Finding the Fourth Proportional to 434,743.80, 652,115.70 and 268,625.40

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Solution

The fourth proportional to 434,743.80, 652,115.70 and 268,625.40 is: 402,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,743.80 : 652,115.70 = 268,625.40 : x
  2. Step 2: Convert to fraction form
    434,743.80/652,115.70 = 268,625.40/x
  3. Step 3: Cross multiply
    434,743.80x = 652,115.70 × 268,625.40
  4. Step 4: Simplify right side
    434,743.80x = 175,174,840,758.78
  5. Step 5: Solve for x
    x = 175,174,840,758.78/434,743.80
  6. Step 6: Final answer
    x = 402,938.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.